Local Calling Guide

Area code/prefix search

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Elizabethton, TN

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
423-895 9   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2007-08-06   
423-997 A   124F BANDWIDTH.COM CLEC, LLC - TN 956   2025-10-04   
423-997 0   124F BANDWIDTH.COM CLEC, LLC - TN 956   2025-10-04   
423-997 7   145J TERRA NOVA TELECOM INC. 956   2025-10-10   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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